EP4598199A1 - Informationsbestimmungsverfahren, vorrichtung, endgerät und netzwerkvorrichtung - Google Patents
Informationsbestimmungsverfahren, vorrichtung, endgerät und netzwerkvorrichtungInfo
- Publication number
- EP4598199A1 EP4598199A1 EP23870392.0A EP23870392A EP4598199A1 EP 4598199 A1 EP4598199 A1 EP 4598199A1 EP 23870392 A EP23870392 A EP 23870392A EP 4598199 A1 EP4598199 A1 EP 4598199A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layers
- indication information
- range
- information
- codewords
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
Definitions
- the present application relates to the field of communications, and in particular to methods and apparatuses for determining information, a user equipment (UE), and a network device.
- UE user equipment
- the pre-coding of codebook-based physical uplink share channel (PUSCH) transmission is generally determined based on the pre-coding matrix indicated by the base station, and the pre-coding of non-codebook-based PUSCH transmission is determined based on the sounding reference signaling (SRS) resources indicated by the base station, and the number of transmission layers is equal to the number of SRS resources indicated by the base station.
- SRS sounding reference signaling
- the number of pre-coding matrices, the number of layers, and the number of SRS resources corresponding to PUSCH transmission increase.
- the pre-coding matrix, the number of layers, or the channel SRS resources are indicated through uplink scheduling information, the overhead of the indication information for indicating the pre-coding matrix, the number of layers, or the channel SRS resources in the uplink scheduling information is large.
- Embodiments of the present application provide methods and apparatuses for determining information, a user equipment (UE) and a network device, to solve a problem in the related art that as the number of antenna ports increases, an overhead of indication information for indicating a pre-coding matrix, number of layers or channel sounding reference signaling (SRS) resources is large, to reduce the overhead of the indication information.
- UE user equipment
- SRS channel sounding reference signaling
- An embodiment of the present application provides a method for determining information, performed by a user equipment (UE), including:
- the parameter information includes one or more of the following:
- determining the target information corresponding to the first transmission based on the parameter information and the indication information includes:
- determining the target information corresponding to the first transmission based on the number of codewords and the indication information includes:
- the given mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- determining the target information corresponding to the first transmission based on the parameter information and the indication information includes:
- An embodiment of the present application provides a method for determining information, performed by a network device, including:
- the parameter information includes one or more of the following:
- determining the indication information includes: determining the indication information based on the target information.
- determining the indication information based on the target information includes:
- the given mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- An embodiment of the present application provides a user equipment (UE), including a memory, a transceiver, and a processor; where the memory is used for storing a computer program, the transceiver is used for receiving and transmitting data under control of the processor, and the processor is used for reading the computer program in the memory and performing following operations:
- UE user equipment
- the parameter information includes one or more of the following:
- determining the target information corresponding to the first transmission based on the parameter information and the indication information includes:
- determining the target information corresponding to the first transmission based on the number of codewords and the indication information includes:
- the given mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- determining the target information corresponding to the first transmission based on the parameter information and the indication information includes:
- An embodiment of the present application provides a network device, including a memory, a transceiver, and a processor; where the memory is used for storing a computer program, the transceiver is used for receiving and transmitting data under control of the processor, and the processor is used for reading the computer program in the memory and performing following operations:
- the parameter information includes one or more of the following:
- determining the indication information includes: determining the indication information based on the target information.
- determining the indication information based on the target information includes:
- the given mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- An embodiment of the present application provides an apparatus for determining information, used in a user equipment (UE), including:
- the parameter information includes one or more of the following:
- the processing unit is used for: determining the number of codewords based on the parameter information; and determining the target information corresponding to the first transmission based on the number of codewords and the indication information.
- the processing unit is used for:
- the given mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- the processing unit is used for:
- An embodiment of the present application provides an apparatus for determining information, used in a network device, including:
- the parameter information includes one or more of the following:
- the determining unit is used for determining the indication information based on the target information.
- the determining unit is used for:
- the given mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- An embodiment of the present application provides a processor-readable storage medium, storing a computer program, where the computer program is used for causing a processor to perform the steps of any of the methods described above.
- the UE receives the indication information and the parameter information corresponding to the first transmission transmitted from the network device, where the parameter information is used to determine the number of codewords, the indication information is used to indicate the target information, and the target information includes one or more of the pre-coding matrix, the number of layers, or the channel SRS resource; and the UE determines the target information corresponding to the first transmission based on the parameter information and the indication information.
- the target information corresponding to the first transmission is determined in combination with the parameter information for determining the number of codewords of the first transmission, which effectively reduces the overhead of the indication information, and solves the problem in large overhead of indication information for indicating the pre-coding matrix, the number of layers or the channel SRS resources induced by the increased number of antenna ports, and then the overhead of the indication information is reduced.
- the term "and/or” describes a related relationship of associated objects, and indicates that there may be three kinds of relationships.
- a and/or B may represent that A exists alone, A and B exist simultaneously, and B exists alone.
- Character "/” generally indicates that the associated objects have an "or” relationship.
- multiple in the embodiments of the present application refers to two or more than two, and other quantifiers are similar thereto.
- the applicable systems may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, a long term evolution (LTE) system, an LTE frequency division duplex (FDD) system, an LTE time division duplex (TDD) system, a long term evolution advanced (LTE-A) system, a universal mobile telecommunication system (UMTS), a worldwide interoperability for microwave access (WiMAX) system, a 5G new radio (NR) system, etc.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- GPRS general packet radio service
- LTE long term evolution
- FDD LTE frequency division duplex
- TDD LTE time division duplex
- LTE-A long term evolution advanced
- UMTS universal mobile telecommunication system
- WiMAX worldwide interoperability for microwave access
- NR 5G new radio
- the terminal in the embodiments of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
- the names of the terminal may be different.
- the terminal may be called as a user equipment (UE).
- UE user equipment
- a wireless terminal device may communicate with one or more core networks (CNs) via a radio access network (RAN), and the wireless terminal device may be a mobile terminal device, such as a mobile phone (or cellular phone), or a computer with a mobile terminal device, e.g., a portable mobile device, a pocket-sized mobile device, a handheld mobile device, a computer-built mobile device or a vehicle-mounted mobile device, which exchanges language and/or data with the radio access network.
- a personal communication service (PCS) phone a radio phone, a session initiated protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) and other devices.
- PCS personal communication service
- SIP session initiated protocol
- WLL wireless local loop
- PDA personal digital assistant
- the wireless terminal device may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile, a remote station, an access point, a remote terminal, an access terminal, a user terminal, a user agent, or a user device, which is not limited in the embodiments of the present application.
- the network device in the embodiments of the present application may be a base station, and the base station may include multiple cells providing services for the terminal.
- the base station may be called an access point, or a device communicating with the wireless terminal device through one or more sectors on the air interface in the access network, or other names.
- the network device may be used for exchanging the received air frames with Internet Protocol (IP) packets, and acting as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an IP communication network.
- IP Internet Protocol
- the network device may also coordinate attribute management for the air interface.
- the network device in the embodiments of the present application may be a base transceiver station (BTS) in a global system for mobile communications (GSM) or a code division multiple access (CDMA), a node B in a wide-band code division multiple access (WCDMA), an evolutional node B (eNB or e-Node B) in a long term evolution (LTE) system, a 5G base station (gNB) in 5G network architecture (next generation system), a home evolved node B (HeNB), a relay node, a femto, or a pico base station (pico), etc., which is not limited in the embodiments of the present application.
- the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may be arranged to be geographically separated.
- a multi-input multi-output (MIMO) transmission may be performed between the network device and the terminal device by using one or more antennas.
- the MIMO transmission may be single-user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
- MIMO transmission may be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, and may also be diversity transmission, pre-coding transmission, beamforming transmission, etc.
- the term "and/or” describes a related relationship of associated objects, and indicates that there may be three kinds of relationships. For example, A and/or B may represent that A exists alone, A and B exist simultaneously, and B exists alone. Character "/" generally indicates that the associated objects have an "or” relationship.
- multiple in the embodiments of the present application refers to two or more than two, and other quantifiers are similar thereto.
- the applicable systems may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, a long term evolution (LTE) system, an LTE frequency division duplex (FDD) system, an LTE time division duplex (TDD) system, a long term evolution advanced (LTE-A) system, a universal mobile telecommunication system (UMTS), a worldwide interoperability for microwave access (WiMAX) system, a 5G new radio (NR) system, etc.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- GPRS general packet radio service
- LTE long term evolution
- FDD LTE frequency division duplex
- TDD LTE time division duplex
- LTE-A long term evolution advanced
- UMTS universal mobile telecommunication system
- WiMAX worldwide interoperability for microwave access
- NR 5G new radio
- the terminal in the embodiments of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
- the names of the terminal may be different.
- the terminal may be called as a user equipment (UE).
- UE user equipment
- a wireless terminal device may communicate with one or more core networks (CNs) via a radio access network (RAN), and the wireless terminal device may be a mobile terminal device, such as a mobile phone (or cellular phone), a computer with mobile terminal device, e.g., a portable mobile device, a pocket-sized mobile device, a handheld mobile device, a computer-built mobile device or a vehicle-mounted mobile device, which exchange language and/or data with the radio access network.
- a personal communication service (PCS) phone a radio phone, a session initiated protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) and other devices.
- PCS personal communication service
- SIP session initiated protocol
- WLL wireless local loop
- PDA personal digital assistant
- a wireless terminal device may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile, a remote station, an access point, a remote terminal, an access terminal, a user terminal, a user agent, or a user device, which is not limited in the embodiments of the present application.
- the network device in the embodiments of the present application may be a base station, and the base station may include multiple cells providing services for the terminal.
- the base station may be called an access point, or a device communicating with a wireless terminal device through one or more sectors on the air interface in the access network, or other names.
- the network device may be used for exchanging received air frames with Internet Protocol (IP) packets, and acting as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an IP communication network.
- IP Internet Protocol
- the network device may also coordinate attribute management for the air interface.
- the network device in the embodiments of the present application may be a base transceiver station (BTS) in a global system for mobile communications (GSM) or a code division multiple access (CDMA), a node B in a wide-band code division multiple access (WCDMA), an evolutional node B (eNB or e-Node B) in a long term evolution (LTE) system, a 5G base station (gNB) in 5G network architecture (next generation system), a home evolved node B (HeNB), a relay node, a femto, or a pico base station (pico), etc., which is not limited in the embodiments of the present application.
- the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may be arranged to be geographically separated.
- a multi-input multi-output (MIMO) transmission may be performed between the network device and the terminal device by using one or more antennas.
- the MIMO transmission may be single-user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
- MIMO transmission may be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, and may also be diversity transmission, pre-coding transmission, beamforming transmission, etc.
- TBs transport blocks included in downlink control information (DCI) is one or two, and one TB may be understood as one codeword (CW).
- DCI downlink control information
- a physical downlink share channel supports two codewords transmission.
- the pre-coding of codebook-based physical uplink share channel (PUSCH) transmission is determined based on the pre-coding matrix indicated by the base station, and the pre-coding of non-codebook-based PUSCH transmission is determined based on the sounding reference signaling (SRS) resources indicated by the base station, and the number of transmission layers is equal to the number of SRS resources indicated by the base station.
- SRS sounding reference signaling
- the number of pre-coding matrices, the number of layers, and the number of SRS resources corresponding to PUSCH transmission increase.
- the pre-coding matrix, the number of layers, or the channel SRS resources are indicated through uplink scheduling information, the overhead of the indication information for indicating the pre-coding matrix, the number of layers, or the channel SRS resources in the uplink scheduling information is large.
- an embodiment of the present application provides a method for determining information.
- a user equipment receives indication information and parameter information corresponding to a first transmission transmitted from a network device, where the parameter information is used to determine a number of codewords, the indication information is used to indicate target information, and the target information includes one or more of a pre-coding matrix, a number of layers or channel SRS resources; the UE determines the target information corresponding to the first transmission based on the parameter information and the indication information.
- the target information corresponding to the first transmission is determined in combination with the parameter information used to determine the number of codewords of the first transmission, which effectively reduces the overhead of the indication information, and solves the problem in large overhead of indication information for indicating the pre-coding matrix, the number of layers or the channel SRS resources induced by the increased number of antenna ports, and then the overhead of the indication information is reduced.
- the number of antenna ports corresponding to the first transmission may be determined first.
- the method for determining information provided by the embodiments of the present application may be performed, that is, the target information corresponding to the first transmission is determined based on the parameter information and the indication information; otherwise, a traditional method for determining information may be used to determine the target information corresponding to the first transmission, which may be specifically set according to actual needs.
- FIG. 1 is a first schematic flowchart of a method for determining information according to an embodiment of the present application.
- the method for determining information may be performed by a user equipment (UE), such as a mobile phone, etc.
- the method for determining information includes: S101: receiving indication information and parameter information corresponding to a first transmission transmitted from a network device, where the parameter information is used to determine a number of codewords, the indication information is used to indicate target information, and the target information includes one or more of a pre-coding matrix, a number of layers, or a channel sounding reference signaling (SRS) resource.
- SRS channel sounding reference signaling
- the first transmission may be a physical uplink share channel (PUSCH) transmission or a physical downlink share channel (PDSCH) transmission, etc., which may be specifically set according to actual needs.
- PUSCH transmission may be: transmitting data on a PUSCH or transmitting information carried by PUSCH, etc.
- the parameter information may include one or more of the following:
- the network device in case that the parameter information includes the information of the number of codewords, it may be understood that the network device explicitly indicates the number of codewords of the first transmission to the UE; in case that the parameter information includes the MCS indication information of the first transmission and/or the RV indication information of the first transmission, it may be understood that the network device implicitly indicates the number of codewords of the first transmission to the UE.
- one codeword corresponds to one transport block (TB).
- TB transport block
- the first transmission supporting 2 codewords is just taken as an example for illustration, but it is not limited to 2 codewords, and may also be 3 codewords, 4 codewords, etc., and may be specifically set according to actual needs.
- S102 determining the target information corresponding to the first transmission based on the parameter information and the indication information.
- the number of codewords may be first determined based on the parameter information; and then the target information corresponding to the first transmission is determined based on the number of codewords and the indication information.
- the target information corresponding to the TB is disabled.
- the target information corresponding to the TB is disabled.
- the control information corresponding to the TB is enabled, which may be set according to actual needs.
- the non-enabling of the target information of one TB means that the target information cannot be used for transmission.
- the target information corresponding to the first transmission is determined based on the MCS indication information and the RV indication information corresponding to the TB.
- the indication information may be indication information obtained by encoding based on a preset bit encoding.
- a given mapping relationship may be first determined, where the given mapping relationship is used to represent a mapping relationship between the indication information and the target information; and then the target information corresponding to the first transmission is determined based on the number of codewords, the indication information, and the given mapping relationship, where the given mapping relationship is used to represent the mapping relationship between the indication information and the target information.
- mapping relationship may be expressed in one or more of the following forms:
- the UE receives the indication information and the parameter information corresponding to the first transmission transmitted from the network device, where the parameter information is used to determine the number of codewords, the indication information is used to indicate the target information, and the target information includes one or more of the pre-coding matrix, the number of layers, or the channel SRS resource; and the UE determines the target information corresponding to the first transmission based on the parameter information and the indication information.
- the target information corresponding to the first transmission is determined in combination with the parameter information for determining the number of codewords of the first transmission, which effectively reduces the overhead of the indication information, and solves the problem in large overhead of indication information for indicating the pre-coding matrix, the number of layers or the channel SRS resources induced by the increased number of antenna ports, and then the overhead of the indication information is reduced.
- one possible scenario is a codebook-based PUSCH transmission scenario
- another possible scenario is a non-codebook-based PUSCH transmission.
- a target indication field is a second transmission pre-coding matrix indicator (TPMI) field
- TPMI transmission pre-coding matrix indicator
- a codebook-based PUSCH transmission scenario it is generally necessary to determine a pre-coding matrix and the number of layers corresponding to the PUSCH transmission, and perform PUSCH transmission based on the pre-coding matrix and/or the number of layers corresponding to the PUSCH transmission.
- the pre-coding matrix and the number of layers may be indicated separately, that is, each of the pre-coding matrix and the number of layers corresponds to its own indication information; or, they may be indicated jointly, that is, the pre-coding matrix and the number of layers correspond to one piece of indication information, and the pre-coding matrix and the number of layers may be determined based on the indication information simultaneously.
- the target information corresponding to the PUSCH transmission includes a pre-coding matrix.
- the pre-coding matrix indicated by the indication information is a pre-coding matrix corresponding to the number of layers within a first range of number of layers.
- the pre-coding matrix indicated by the indication information is a pre-coding matrix corresponding to the number of layers within a second range of number of layers, where the first range of number of layers and the second range of number of layers are different.
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- the restriction information for number of layers may be used to indicate information of the maximum number of layers, or may be information for indicating a value range of the number of layers. For example, it may be used to indicate that the PUSCH transmission may only be 1, 2, 4, 6 layers, etc.
- a bit width of the indication information for indicating the pre-coding matrix is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on the first range of number of layers and the second range of number of layers
- the number of pre-coding matrices corresponding to the number of layers within the first range of number of layers and the number of pre-coding matrices corresponding to the number of layers within the second range of number of layers may be determined respectively, and then the maximum number of the two numbers is determined as the bit width of the indication information for indicating the pre-coding matrix.
- the number of antenna ports supported by the PUSCH transmission being 8 is taken as an example, in case that the number of codewords of PUSCH is 1, the pre-coding matrix indicated by the indication information is a pre-coding matrix corresponding to the number of layers not greater than 4, that is, in case that the number of codewords is 1, the first range of number of layers may be 1 to 4; in case that the number of codewords of PUSCH is 2, the pre-coding matrix indicated by the indication information is a pre-coding matrix corresponding to the number of layers greater than 4, that is, in case that the number of codewords is 2, the first range of number of layers may be 5 to 8. It may be specifically set according to actual needs.
- the embodiments of the present application are only illustrated by taking that as an example, but it does not mean that the embodiments of the present application are limited to that.
- the given mapping relationship including a form of codebook as an example, for example, in case of determining the pre-coding matrix corresponding to the first transmission based on the number of codewords, the indication information, and a given codebook, the following Embodiment I may be referred.
- Step 1 a scheduling message for PUSCH transmission transmitted from a network device is received, where the scheduling message includes parameter information and indication information for PUSCH transmission, the parameter information is used to determine the number of codewords, and the indication information is used to indicate a pre-coding matrix.
- Step 2 in case that it is determined that the number of codewords of PUSCH is 1, the pre-coding matrix corresponding to the PUSCH transmission is determined based on the indication information and a first codebook; in case that it is determined that the number of codewords of PUSCH is 2, the pre-coding matrix corresponding to the PUSCH transmission is determined based on the indication information and a second codebook.
- the first codebook may be a codebook consisting of pre-coding matrices corresponding to the number of layers not greater than 4
- the second codebook may be a codebook consisting of pre-coding matrices corresponding to the number of layers greater than 4.
- the bit width of the indication information for indicating the pre-coding matrix is determined based on the number of pre-coding matrices included in a first codebook and/or the number of pre-coding matrices included in a second codebook.
- the bit width of the indication information for indicating the pre-coding matrix may be 2, that is, the indication information has 2 bits, which may be specifically set according to actual needs.
- the maximum number of the two numbers may be determined as the bit width of the indication information for indicating the pre-coding matrix.
- the given mapping relationship including a form of table is taken as an example, for example, in case of determining the pre-coding matrix corresponding to the first transmission based on the number of codewords, the indication information, and a given codebook, the following Embodiment II may be referred.
- Step 1 a scheduling message for PUSCH transmission transmitted from a network device is received, where the scheduling message includes parameter information and indication information for PUSCH transmission, the parameter information is used to determine the number of codewords, and the indication information is used for indicating a pre-coding matrix.
- Step 2 in case that it is determined that the number of codewords of PUSCH is 1, the pre-coding matrix corresponding to the PUSCH transmission is determined based on the indication information and a first table; in case that it is determined that the number of codewords of PUSCH is 2, the pre-coding matrix corresponding to the PUSCH transmission is determined based on the indication information and a second table.
- the number of layers corresponding to the pre-coding matrix indicated by any entry in the first table is not greater than 4, and the number of layers corresponding to the pre-coding matrix indicated by any entry in the second table is greater than 4.
- the number of antenna ports being 8 is taken as an example, the information of the number of layers may have 2 bits.
- the following Table 1 may be referred, that is, the scenario of the number of codewords of PUSCH being 1 corresponds to the first table.
- the following Table 2 may be referred, that is, the scenario of the number of codewords of PUSCH being 2 corresponds to the second table.
- Table 1 Indication information Number of layers 0 1 1 2 2 3 3 4
- a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 1; in case that it is determined that the number of codewords of PUSCH is 1, if the indication information is 1, a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 2; in case that it is determined that the number of codewords of PUSCH is 1, if the indication information is 2, a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 3; in case that it is determined that the number of codewords of PUSCH is 1, if the indication information is 3, a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 4.
- Table 2 Indication information Number of layers 0 5 1 6 2 7 3 8
- a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 5; in case that it is determined that the number of codewords of PUSCH is 2, if the indication information is 1, a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 6; in case that it is determined that the number of codewords of PUSCH is 2, if the indication information is 2, a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 7; in case that it is determined that the number of codewords of PUSCH is 2, if the indication information is 3, a corresponding pre-coding matrix is determined as a pre-coding matrix in pre-coding information corresponding to the number of layers being 8.
- the given mapping relationship including a coding scheme is taken as an example, for example, in case of determining the pre-coding matrix corresponding to the first transmission based on the number of codewords, the indication information, and a given codebook, the following Embodiment III may be referred.
- Step 1 a scheduling message for PUSCH transmission transmitted from a network device is received, where the scheduling message includes parameter information and indication information for PUSCH transmission, the parameter information is used to determine the number of codewords, and the indication information is used to indicate a pre-coding matrix.
- Step 2 in case that it is determined that the number of codewords of PUSCH is 1, the pre-coding matrix corresponding to the PUSCH transmission is determined based on the indication information and a first coding scheme; in case that it is determined that the number of codewords of PUSCH is 2, the pre-coding matrix corresponding to the PUSCH transmission is determined based on the indication information and a second coding scheme.
- the number of the layers corresponding to a value of any piece of indication information in the first coding scheme is not greater than 4; the number of the layers corresponding to a value of any piece of indication information in the second coding scheme is greater than 4.
- the pre-coding matrix corresponding to the PUSCH transmission is determined based on the second table, and/or the pre-coding matrix corresponding to the PUSCH transmission is determined based on the second codebook; in case that the number of codewords of PUSCH is 1, the pre-coding matrix corresponding to the PUSCH transmission is determined based on the first table, and/or the pre-coding matrix corresponding to the PUSCH transmission is determined based on the first codebook; and/or, in case that maxRank is smaller than or equal to 4, the pre-coding matrix corresponding to the PUSCH transmission is determined based on a third table, and/or the pre-coding matrix corresponding to the PUSCH transmission is determined based on a third codebook.
- the number of layers corresponding to a pre-coding matrix indicated by any entry for indicating the pre-coding matrix in the third table is one item of 1 to maxRank ;
- the third codebook is a codebook composed of pre-coding matrices with the number of layers from 1 to maxRank.
- maxRank is one or more of the following: the maximum number of layers determined based on the restriction information for number of layers, or the maximum number of MIMO layers that PUSCH may be scheduled, that is, the number of layers configured by the network device; or, the maximum number of MIMO layers for PUSCH transmission supported by the UE, that is, the maximum number of layers supported by the UE.
- the types of DCI format 0_1 and DCI format 0_2 used for scheduling PUSCH may correspond to the same maxRank parameter or different maxRank parameters. For example, one of them is indicated by maxRankDCI-0-1 and another is indicated by maxRankDCI-0-2.
- maxRankDCI-0-1 is indicated by maxRankDCI-0-1
- maxRankDCI-0-2 is indicated by maxRankDCI-0-1.
- the specific settings may be made according to actual needs, which is not limited in the embodiments of the present application.
- the target information corresponding to the PUSCH transmission includes the number of layers.
- the number of layers corresponding to the first transmission is determined based on the number of codewords, the indication information, and the given mapping relationship, if the number of codewords is the first number, the number of layers indicated by the indication information is the number of layers within the first range of number of layers.
- the number of layers indicated by the indication information is the number of layers within the second range of number of layers, where the first range of number of layers and the second range of number of layers are different.
- the maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- the bit width of the indication information for indicating the pre-coding matrix is determined based on the first range of number of layers and/or the second range of number of layers.
- bit width of the indication information is determined based on the first range of number of layers and the second range of number of layers
- a third number of layers within the first range of number of layers and/or a fourth number of layers within the second range of number of layers may be determined separately, and a maximum number of the third number and the fourth number is determined as the bit width of the indication information for indicating the number of layers.
- the number of antenna ports supported by PUSCH transmission being 8 is taken as an example, in case that the number of codewords of PUSCH is 1, the number of layers indicated by the indication information is not greater than 4, that is, in case that the number of codewords is 1, the first range of number of layers may be 1 to 4; in case that the number of codewords of PUSCH is 2, the number of layers indicated by the indication information is greater than 4, that is, in case that the number of codewords is 2, the second range of number of layers may be 5 to 8.
- the specific setting may be made based on actual needs.
- the embodiments of the present application are only described by taking that as an example, but it does not mean that the embodiments of the present application are limited to that.
- mapping relationship may be expressed in one or more of the following forms:
- mapping relationship is expressed in the form of table
- its specific implementation is similar to the specific implementation of the above scenario in which the table is used in case that the target information includes the pre-coding matrix.
- the above related description may be referred, and the same details are not repeated in the embodiments of the present application.
- the target information corresponding to the PUSCH transmission includes the pre-coding matrix and the number of layers.
- the pre-coding matrix indicated by the indication information is the pre-coding matrix corresponding to the number of layers within the first range of number of layers, and the number of layers indicated by the indication information is the number of layers within the first range of number of layers; if the number of codewords is the second number, the pre-coding matrix indicated by the indication information is the pre-coding matrix corresponding to the number of layers within the second range of number of layers, and the number of layers indicated by the indication information is the number of layers within the second range of number of layers.
- the implementation of determining the pre-coding matrix corresponding to the first transmission based on the number of codewords, the indication information, and the given mapping relationship is similar to the implementation of, in case that the target information includes the pre-coding matrix, determining the pre-coding matrix corresponding to the first transmission based on the number of codewords, the indication information, and the given mapping relationship in the above possible implementation.
- the above related description may be referred, and the same details are not repeated in the embodiments of the present application.
- the implementation of determining the number of layers corresponding to the first transmission based on the number of codewords, the indication information, and the given mapping relationship is similar to the implementation of, in case that the target information includes the number of layers, determining the number of layers corresponding to the first transmission based on the number of codewords, the indication information, and the given mapping relationship in the above possible implementation.
- the above related description may be referred, and the same details are not repeated in the embodiments of the present application.
- the pre-coding matrix and the number of layers may be indicated separately, or may be indicated jointly, which may be set according to actual needs.
- Separate indication may be understood as the pre-coding matrix and the number of layers are indicated by two pieces of indication information respectively, that is, each of the pre-coding matrix and the number of layers corresponds to its own indication information.
- Joint indication may be understood as the coding matrix and the number of layers are indicated by the same indication information respectively, that is, the coding matrix and the number of layers correspond to one piece of indication information and the pre-coding matrix and the number of layers may be determined simultaneously based on the indication information.
- the pre-coding matrix and the number of layers are indicated separately, for example, if the number of codewords of PUSCH is 1, the pre-coding matrix indicated by the indication information for indicating the pre-coding matrix is the number of layers not greater than 4, and the pre-coding matrix indicated by the indication information for indicating the number of layers is the pre-coding matrix corresponding to the number of layers not greater than 4; if the number of codewords of PUSCH is 2, the pre-coding matrix indicated by the indication information for indicating the pre-coding matrix is the number of layers greater than 4, and the pre-coding matrix indicated by the indication information for indicating the number of layers is the pre-coding matrix corresponding to the number of layers greater than 4.
- the pre-coding matrix and the number of layers are indicated jointly, for example, if the number of codewords of PUSCH is 1, the pre-coding matrix indicated by the indication information is the number of layers not greater than 4, and the indicated pre-coding matrix is the pre-coding matrix corresponding to the number of layers not greater than 4; if the number of codewords of PUSCH is 2, the pre-coding matrix indicated by the indication information is the number of layers greater than 4, and the indicated pre-coding matrix is the pre-coding matrix corresponding to the number of layers greater than 4.
- a non-codebook-based PUSCH transmission scenario it is generally necessary to determine the channel SRS resources and the number of layers corresponding to the PUSCH transmission, and further determine the pre-coding matrix based on the channel SRS resources, and then perform PUSCH transmission based on the pre-coding matrix and/or the number of layers corresponding to the PUSCH transmission.
- the specific implementation of determining the number of layers corresponding to the PUSCH transmission is similar to the specific implementation of determining the number of layers corresponding to the codebook-based PUSCH transmission described above, and the reference may be made to the above-mentioned related descriptions. The same details are not repeated in the embodiments of the present application. How to determine the channel SRS resources corresponding to PUSCH transmission in the non-codebook-based PUSCH transmission scenario is described in detail below.
- the target information corresponding to the PUSCH transmission includes SRS resources
- the pre-coding matrix corresponding to the first transmission based on the number of codewords, the indication information, and the given mapping relationship
- the number of codewords is the first number
- the number of channel SRS resources indicated by the indication information is a value within a first range
- the number of codewords is the second number
- the number of channel SRS resources indicated by the indication information is a value within a second range, where the first range and the second range are different, a fifth number is the number of values within the first range
- a sixth number is the number of values within the second range.
- the bit width of the indication information for the channel SRS resources is determined based on the first range and/or the second range.
- the fifth number of values included in the first range and the sixth number of values included in the second range may be determined respectively, and the maximum number of the two numbers is determined as the bit width of the indication information for indicating the channel SRS resources.
- the number of antenna ports supported by PUSCH transmission being 8 is taken as an example, in case that the number of codewords of PUSCH is 1, the channel SRS resources indicated by the indication information are channel SRS resources with the number of SRS resources being not greater than 4, that is, in case that the number of codewords is 1, the first range may be a range in which the number of SRS resources is not greater than 4; in case that the number of codewords of PUSCH is 2, the channel SRS resources indicated by the indication information are channel SRS resources with the number of SRS resources being greater than 4, that is, in case that the number of codewords is 2, the second range may be a range in which the number of SRS resources is greater than 4, which may be specifically set according to actual needs.
- the embodiments of the present application are only described by taking that as an example, but it does not mean that the embodiments of the present application are limited to that.
- the given mapping relationship including a form of table is taken as an example, for example, in case of determining the channel SRS resources corresponding to the first transmission based on the number of codewords, the indication information, and the given codebook, the following Embodiment IV may be referred.
- Step 1 a scheduling message for PUSCH transmission transmitted from a network device is received, where the scheduling message includes the parameter information and the indication information for PUSCH transmission, the parameter information is used to determine the number of codewords, and the indication information is used to indicate the channel SRS resources.
- Step 2 in case that it is determined that the number of codewords of PUSCH is 1, the channel SRS resources corresponding to the PUSCH transmission is determined based on the indication information and a fourth table; in case that it is determined that the number of codewords of PUSCH is 2, the channel SRS resources corresponding to the PUSCH transmission is determined based on the indication information and a fifth table.
- the number of SRS resources indicated by any entry in the fourth table is not greater than 4, and the number of SRS resources indicated by any entry in the fifth table is greater than 4.
- the given mapping relationship including the coding scheme is taken as an example, for example, in case of determining the channel SRS resources corresponding to the first transmission based on the number of codewords, the indication information, and the given codebook, the following Embodiment V may be referred.
- Step 1 a scheduling message for PUSCH transmission transmitted from a network device is received, where the scheduling message includes the parameter information and the indication information for the PUSCH transmission, the parameter information is used to determine the number of codewords, and the indication information is used to indicate the channel SRS resources.
- Step 2 in case that it is determined that the number of codewords of PUSCH is 1, the channel SRS resources corresponding to the PUSCH transmission is determined based on the indication information and a fourth coding scheme; in case that it is determined that the number of codewords of PUSCH is 2, the channel SRS resources corresponding to the PUSCH transmission is determined based on the indication information and a fifth coding scheme.
- the number of SRS resources indicated by any piece of indication information in the fourth coding scheme is not greater than 4, and the number of SRS resources indicated by any piece of indication information in the fifth coding scheme is greater than 4.
- the SRS resources corresponding to the PUSCH transmission are determined based on the fourth table, and/or, the SRS resources corresponding to the PUSCH transmission are determined based on the fourth coding scheme; in case that the number of codewords of PUSCH is 1, the SRS resources corresponding to the PUSCH transmission are determined based on the fifth table, and/or, the SRS resources corresponding to the PUSCH transmission are determined based on the fifth coding scheme; and/or, in case that the maxMIMOLayers is smaller than or equal to 4, the SRS resources corresponding to the PUSCH transmission are determined based on the sixth table, and/or the SRS resources corresponding to the PUSCH transmission are determined based on the sixth coding scheme.
- the number of SRS resources indicated by any entry in the sixth table is one item from 1 to maxMIMOLayers; the number of SRS resources indicated by any piece of indication information in the third coding scheme is one item from 1 to maxMIMOLayers.
- the maxMIMOLayers is one or more of the following: the maximum number of layers determined based on the restriction information for number of layers, or the maximum number of MIMO layers that PUSCH may be scheduled, that is, the number of layers configured by the network device; or, the maximum number of MIMO layers for PUSCH transmission supported by the UE, that is, the maximum number of layers supported by the UE.
- the types of DCI format 0_1 and DCI format 0_2 used for scheduling PUSCH may correspond to the same maxMIMOLayers parameter or different maxMIMOLayers parameters. For example, one of them is indicated by maxMIMOLayersDCI-0-1 and another is indicated by maxMIMOLayersDCI-0-2.
- maxMIMOLayersDCI-0-1 is indicated by maxMIMOLayersDCI-0-1.
- maxMIMOLayersDCI-0-2 the specific settings may be made according to actual needs, which is not limited in the embodiments of the present application.
- the scheduling information for PUSCH may refer to DCI or the scheduling information configured by RRC signaling, that is, the method for determining information provided by the embodiments of the present application may be used for PUSCH transmission based on DCI scheduling or for PUSCH transmission based on configured grant.
- SRS resources and the number of layers may be indicated separately, that is, each of the pre-coding matrix and the number of layers has its own indication information, and the number of SRS resources is equal to the number of layers.
- the channel SRS resources indicated by the indication information are channel SRS resources with the number of SRS resources not greater than 4; in case that the number of codewords of PUSCH is 2, the channel SRS resources indicated by the indication information are channel SRS resources with the number of SRS resources greater than 4.
- the number of codewords of PUSCH is 1, the number of layers indicated by the indication information is not greater than 4; in case that the number of codewords of PUSCH is 2, the number of layers indicated by the indication information is greater than 4.
- uplink control channel physical uplink control channel, PUCCH
- PUCCH physical uplink control channel
- FIG. 2 is a second schematic flowchart of a method for determining information according to an embodiment of the present application, and the method for determining information may be performed by a network device, such as a base station, etc.
- the method for determining information includes:
- the parameter information includes one or more of the following:
- determining the indication information includes: determining the indication information based on the target information.
- determining the indication information based on the target information includes: determining the indication information based on the target information and a given mapping relationship, where the given mapping relationship is used to represent a mapping relationship between the indication information and the target information.
- mapping relationship may be expressed in one or more of the following forms:
- the number of codewords may be determined based on the target information, or the target information may be determined based on the number of codewords.
- the specific settings may be made according to actual needs, and the embodiments of the present application are not limited thereto.
- the pre-coding matrix indicated by the indication information is a pre-coding matrix corresponding to a number of layers within a first range of the number of layers; and if the number of codewords is a second number, the pre-coding matrix indicated by the indication information is a pre-coding matrix corresponding to a number of layers within a second range of number of layers, where the first range of number of layers and the second range of number of layers are different.
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- the number of codewords is a first number
- the number of layers indicated by the indication information is a number of layers within the first range of number of layers
- the number of codewords is a second number
- the number of layers indicated by the indication information is a number of layers within the second range of number of layers.
- bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers and/or a fourth number of layers within the second range of number of layers; in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is the maximum number of the third number and the fourth number.
- the target information includes channel SRS resources
- the number of codewords is the first number
- the number of channel SRS resources indicated by the indication information is a value within a first range
- the number of codewords is the second number
- the number of channel SRS resources indicated by the indication information is a value within a second range, where the first range and the second range are different.
- the bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range, where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is the maximum number of the fifth number and the sixth number.
- the network device in case that the network device transmits associated information to the UE, such as parameter information, indication information, etc., it may be indicated through one or more of the radio resource control (RRC) signaling, the media access control-control element (MAC-CE) signaling, or the DCI signaling, which may be specifically set according to actual needs.
- RRC radio resource control
- MAC-CE media access control-control element
- DCI DCI signaling
- the network device determines the parameter information corresponding to the first transmission and the indication information corresponding to the target information corresponding to the first transmission, where the parameter information is used to determine the number of codewords, the target information includes one or more of the pre-coding matrix, the number of layers, or the channel SRS resource, and the indication information is used to indicate the target information; and the network device transmits the parameter information and the indication information to the UE.
- the UE determines the target information corresponding to the first transmission based on the parameter information and the indication information.
- the target information corresponding to the first transmission is determined in combination with the parameter information for determining the number of codewords of the first transmission, which effectively reduces the overhead of the indication information, and solves the problem in large overhead of indication information for indicating the pre-coding matrix, the number of layers or the channel SRS resources induced by the increased number of antenna ports, and then the overhead of the indication information is reduced.
- FIG. 3 is a schematic structural diagram of a user equipment (UE) according to an embodiment of the present application.
- the UE includes a memory 320, a transceiver 300, and a processor 310, where the memory 320 is used for storing a computer program, the transceiver 300 is used for receiving and transmitting data under control of the processor 310, and the processor 310 is used for reading the computer program in the memory 320 and performing following operations:
- the transceiver 300 is used for receiving and transmitting data under the control of the processor 310.
- a bus architecture may include any number of interconnected buses and bridges, which are linked together through various circuits of one or more processors represented by the processor 310 and one or more memories represented by the memory 320.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore are not further described in the present application.
- the bus interface provides an interface.
- the transceiver 300 may include multiple elements, i.e., including a transmitter and a receiver, for providing units for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
- a user interface 330 may be an interface with a capability of connecting external and internal devices, including but are not limited to keypads, displays, speakers, microphones, joysticks, etc.
- the processor 310 is responsible for managing the bus architecture and general processing, and the memory 320 may store data used by the processor 310 when performing operations.
- the processor 310 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD), the processor may also use a multi-core architecture.
- CPU central processing unit
- ASIC application specific integrated circuit
- FPGA field-programmable gate array
- CPLD complex programmable logic device
- the processor calls the computer program stored in the memory to perform any of the methods performed by the UE provided by the embodiments of the present application according to the obtained executable instructions.
- the processor and the memory may also be arranged to be physically separated.
- the parameter information includes one or more of the following:
- determining the target information corresponding to the first transmission based on the parameter information and the indication information includes:
- determining the target information corresponding to the first transmission based on the number of codewords and the indication information includes:
- mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- determining the target information corresponding to the first transmission based on the parameter information and the indication information includes:
- the above-mentioned UE provided in the embodiments of the present application may implement all the steps of methods implemented by the method embodiments in which the execution subject is the UE, and may achieve the same effects.
- the same parts and beneficial effects in the embodiments as those in the method embodiments are not described in detail.
- FIG. 4 is a schematic structural diagram of a network device according to an embodiment of the present application.
- the network device includes a memory 420, a transceiver 400, and a processor 410; where the memory 420 is used for storing a computer program, the transceiver 400 is used for receiving and transmitting data under control of the processor 410, and the processor 410 is used for reading the computer program in the memory 420 and performing following operations:
- the transceiver 400 is used for receiving and transmitting data under control of the processor 410.
- a bus architecture may include any number of interconnected buses and bridges, which are linked together through various circuits of one or more processors represented by the processor 410 and one or more memories represented by the memory 420.
- the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore are not further described in the present application.
- the bus interface provides an interface.
- the transceiver 400 may include multiple elements, i.e., including a transmitter and a receiver, for providing units for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
- the processor 410 is responsible for managing the bus architecture and general processing, and the memory 420 may store data used by the processor 410 when performing operations.
- the processor 410 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a complex programmable logic device (CPLD), the processor may also use a multi-core architecture.
- CPU central processing unit
- ASIC application specific integrated circuit
- FPGA field-programmable gate array
- CPLD complex programmable logic device
- the parameter information includes one or more of the following:
- determining the indication information includes: determining the indication information based on the target information.
- determining the indication information based on the target information includes:
- mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- the above-mentioned network device provided in the embodiments of the present application may implement all the steps of methods implemented by the method embodiments in which the execution subject is the network device, and may achieve the same effects.
- the same parts and beneficial effects in the embodiments as those in the method embodiments are not described in detail.
- An embodiment of the present application further provides an apparatus for determining information, to solve the problem in the related art that as the number of antenna ports increases, the overhead of indication information for indicating the pre-coding matrix, the number of layers or the channel SRS resources is large, to reduce the overhead of the indication information.
- the methods and the apparatuses for determining information are based on the same concept. Since the methods and apparatuses solve problems in similar principles, the implementation of the apparatuses and methods may be referred to each other, and the same details are not repeated.
- FIG. 5 is a first schematic structural diagram of an apparatus for determining information according to an embodiment of the present application.
- the apparatus 50 for determining information includes:
- the parameter information includes one or more of the following:
- the processing unit 502 is used for: determining the number of codewords based on the parameter information; and determining the target information corresponding to the first transmission based on the number of codewords and the indication information.
- the processing unit 502 is used for:
- mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- the processing unit 502 is used for:
- the above-mentioned apparatus 50 for determining information provided by the embodiments of the present application may implement all the steps of methods implemented by the above-mentioned method embodiment with the UE as the execution subject, and may achieve the same technical effect.
- the same parts and beneficial effects in the embodiments as those in the method embodiments are not described in detail.
- FIG. 6 is a second schematic structural diagram of an apparatus for determining information according to an embodiment of the present application.
- the apparatus 60 for determining information includes:
- the parameter information includes one or more of the following:
- the determining unit 601 is used for determining the indication information based on the target information.
- the determining unit 601 is used for:
- mapping relationship is expressed in one or more of the following forms:
- the target information includes the pre-coding matrix
- a maximum number of layers in the first range of number of layers and the second range of number of layers is determined based on one or more of the following:
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the target information includes the number of layers
- a bit width of the indication information is determined based on the first range of number of layers and/or the second range of number of layers.
- the bit width of the indication information is determined based on a third number of layers within the first range of number of layers, and/or a fourth number of layers within the second range of number of layers; where in case that the bit width of the indication information is determined based on the third number and the fourth number, the bit width of the indication information is a maximum number of the third number and the fourth number.
- the target information includes the channel SRS resource
- a bit width of the indication information is determined based on the first range and/or the second range.
- the bit width of the indication information is determined based on a fifth number of values included in the first range and/or a sixth number of values included in the second range; where in case that the bit width of the indication information is determined based on the fifth number and the sixth number, the bit width of the indication information is a maximum number of the fifth number and the sixth number.
- the above-mentioned apparatus 60 for determining information provided by the embodiments of the present application may implement all the steps of methods implemented by the above-mentioned method embodiment with the network device as the execution subject, and may achieve the same technical effect.
- the same parts and beneficial effects in the embodiments as those in the method embodiments are not described in detail.
- the division of units in the embodiments of the present application is schematic, and is only a logical function division, and there may be other division manners in actual implementation.
- the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit may be implemented in the form of hardware or software functional unit.
- the integrated unit may be stored in a processor readable storage medium.
- the solutions of the present application in essence or a part of the solutions that contributes to the related art, or all or part of the solutions, may be embodied in the form of a software product, which is stored in a storage medium, including several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in the respective embodiments of the present application.
- the storage medium described above includes various media that may store program codes, such as a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or a compact disk.
- An embodiment of the present application provides a processor-readable storage medium, which stores a computer program, and the computer program is used for causing a processor to perform any of the methods provided by the above embodiments, the method includes: receiving indication information and parameter information corresponding to a first transmission transmitted from a network device, where the parameter information is used to determine a number of codewords, the indication information is used to indicate target information, and the target information comprises one or more of a pre-coding matrix, a number of layers, or a channel sounding reference signaling (SRS) resource; and determining the target information corresponding to the first transmission based on the parameter information and the indication information.
- SRS channel sounding reference signaling
- the processor-readable storage medium may be any available medium or data storage device that may be accessed by the processor, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO)), optical storage (such as CDs, DVDs, BDs, HVDs, etc.), and semiconductor storage (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drives (SSDs)), etc.
- magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO)
- optical storage such as CDs, DVDs, BDs, HVDs, etc.
- semiconductor storage such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drives (SSDs)
- embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software with hardware. Moreover, the present application may take the form of a computer program product implemented on one or more computer-usable storage media having computer-usable program code, including but not limited to disk storage and optical storage, etc.
- processor-executable instructions may also be stored in a processor readable memory capable of directing a computer or other programmable data processing apparatus to operate in a particular manner, and the instructions stored in the processor readable memory may result in a manufacture including instruction means, the instruction means may perform the functions specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
- processor-executable instructions may also be loaded onto a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, and instructions performed on the computer or other programmable devices provide steps for performing the functions specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218222.1A CN117856840A (zh) | 2022-09-30 | 2022-09-30 | 信息确定方法、装置、终端及网络设备 |
| PCT/CN2023/119027 WO2024067158A1 (zh) | 2022-09-30 | 2023-09-15 | 信息确定方法、装置、终端及网络设备 |
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| Publication Number | Publication Date |
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| EP4598199A1 true EP4598199A1 (de) | 2025-08-06 |
| EP4598199A4 EP4598199A4 (de) | 2026-01-21 |
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| EP23870392.0A Pending EP4598199A4 (de) | 2022-09-30 | 2023-09-15 | Informationsbestimmungsverfahren, vorrichtung, endgerät und netzwerkvorrichtung |
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| EP (1) | EP4598199A4 (de) |
| CN (1) | CN117856840A (de) |
| TW (1) | TWI885497B (de) |
| WO (1) | WO2024067158A1 (de) |
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| AR073832A1 (es) * | 2008-10-20 | 2010-12-01 | Interdigital Patent Holdings | Senalizacion y adquisicion de canal de control para agregar onda portadora |
| KR101641968B1 (ko) * | 2009-09-14 | 2016-07-29 | 엘지전자 주식회사 | 다중입출력 무선 통신 시스템에서 하향링크 신호 전송 방법 및 장치 |
| CN102215090A (zh) * | 2010-04-02 | 2011-10-12 | 北京三星通信技术研究有限公司 | 一种基于mimo传输发送和接收下行控制信息的方法 |
| CN102469587B (zh) * | 2010-11-03 | 2015-08-12 | 中兴通讯股份有限公司 | 一种指示ue配置上行发射模式的方法及系统 |
| CN106973437B (zh) * | 2016-01-13 | 2021-10-01 | 华为技术有限公司 | 一种参考信号的配置方法及设备 |
| US20180159707A1 (en) * | 2016-12-01 | 2018-06-07 | Samsung Electronics Co., Ltd. | Method and apparatus for multistream transmission |
| CN111602346B (zh) * | 2018-01-19 | 2021-10-26 | 华为技术有限公司 | 发送和接收信息的方法、发送装置和接收装置 |
| WO2022029933A1 (ja) * | 2020-08-05 | 2022-02-10 | 株式会社Nttドコモ | 端末、無線通信方法及び基地局 |
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- 2022-09-30 CN CN202211218222.1A patent/CN117856840A/zh active Pending
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- 2023-09-15 WO PCT/CN2023/119027 patent/WO2024067158A1/zh not_active Ceased
- 2023-09-15 EP EP23870392.0A patent/EP4598199A4/de active Pending
- 2023-09-26 TW TW112136803A patent/TWI885497B/zh active
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| TW202416693A (zh) | 2024-04-16 |
| TWI885497B (zh) | 2025-06-01 |
| EP4598199A4 (de) | 2026-01-21 |
| WO2024067158A1 (zh) | 2024-04-04 |
| CN117856840A (zh) | 2024-04-09 |
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